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Mon, 02 Nov 2026 18:06:39 -0800 (PST) Received: from localhost ([2a00:79e0:2e7c:8:c57d:c93d:3543:aab5]) by smtp.gmail.com with UTF8SMTPSA id a92af1059eb24-1ac19f4a04esm37837284c88.15.2026.11.02.18.06.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Nov 2026 18:06:38 -0800 (PST) Date: Mon, 2 Nov 2026 18:06:36 -0800 From: Brian Norris To: Krzysztof Kozlowski Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Stephen Boyd , Brian Masney , Jerome Brunet , Thomas Gleixner , Ulf Hansson , Philipp Zabel , Peter Griffin , devicetree@vger.kernel.org, Tudor Ambarus , =?iso-8859-1?Q?Andr=E9?= Draszik , linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Radu Rendec , linux-arm-kernel@lists.infradead.org, Mariano Marciello , Douglas Anderson , linux-clk@vger.kernel.org, Jakub =?utf-8?B?R8WCb3dhY2tp?= Subject: Re: [PATCH 0/9] google: Add support for Laguna CPM Message-ID: References: <20261026214359.3122870-1-briannorris@chromium.org> <20261028-armored-glistening-cheetah-6f3070@quoll> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261028-armored-glistening-cheetah-6f3070@quoll> On Wed, Oct 28, 2026 at 02:24:35PM +0100, Krzysztof Kozlowski wrote: > Either you expect review or not. RFC means no. OK, PATCH. > If that's patch, then at > the top level of cover letter, as the most important thing, you explain > the dependency and merging proposal of this. OK, I'll try to move it up. To be fair though, every change that has any dependency is clearly noted in its below-the-fold notes. > You combined here like 5 > different subsystens... What do you recommend here? I believe the general principles of DT binding development suggest there should be a single binding doc for describing the "Central Power Manager" (and the services it supports). CPM supports functionality covered by many subsystems. While in theory, bindings can be written without corresponding software support (drivers), in practice it usually works out better to develop them together, to prove that the binding describes the hardware/firmware sufficiently. And even if the binding goes separately, I don't think I can 100% split the driver support by subsystem, as they all require the same underlying CPM helpers, and those helpers don't have much meaning without their clients. So some multi-subsystem work is still necessary IMO. So I don't really see how I can address your complaint. But I'm open to your ideas. Brian